Confidence: Medium · Source: FCC ULS · As of 2026-09-09

K4ZWC

Active

WALLS, GLENN D

Location: BIRMINGHAM, AL
Class: General
Granted: 2020-11-17
Expires: 2030-11-17
Previous call: N4KFB
FRN: 0009738972

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Vanity availability

Held

Currently held

K4ZWC is held by an active license; it isn't a vanity slot right now.

Vanity availability dates are computed from FCC §97.19's hold periods: 2 years from the cancellation date for cancelled or terminated licenses, 4 years from the expiration date for expired licenses (2-year renewal grace + 2-year hold).

Callsign genealogy

Full chain →

Previously held by current licensee

N4KFBcancelled· G
WALLS, GLENN DALgranted 2014-04-28cancelled 2020-11-17

License history

0 events

No recorded events.

More vanity slots coming available

From Alabama

All →

KQ4UUE 2026-09-09
KG4SUF 2026-09-10
KQ4TEB 2026-09-10
KQ4UQY 2026-09-10
KQ4UVF 2026-09-10

Starting with K4

All →

K4HCL FL · 2026-09-09
K4CYG FL · 2026-09-10
K4LWW NC · 2026-09-10
K4ONS NC · 2026-09-10
K4YDD FL · 2026-09-10

Full history → Vanity availability → Callsign genealogy →